package com.daily.service;

import java.util.List;

import com.daily.entity.Ectur;
import com.daily.entity.Hobbys;
import com.daily.entity.Rang;
import com.daily.entity.Students;

public interface StudentsService {

  List<Students> getlist();

  Students getstu(int sid);

  List<Hobbys> selecthobby();

  List<Ectur> selectectur();

  List<Rang> selectrang();

  boolean addstudent(Students stu);

  boolean updatestudent(Students stu);

  boolean deletebyids(String sid);

}
